src/insets/insettabular.C

   1 /**
   2  * \file insettabular.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettabular.h"
  14
  15 #include "buffer.h"
  16 #include "bufferparams.h"
  17 #include "BufferView.h"
  18 #include "cursor.h"
  19 #include "CutAndPaste.h"
  20 #include "coordcache.h"
  21 #include "debug.h"
  22 #include "dispatchresult.h"
  23 #include "funcrequest.h"
  24 #include "FuncStatus.h"
  25 #include "gettext.h"
  26 #include "language.h"
  27 #include "LColor.h"
  28 #include "lyx_cb.h"
  29 #include "lyxlex.h"
  30 #include "metricsinfo.h"
  31 #include "outputparams.h"
  32 #include "paragraph.h"
  33 #include "paragraph_funcs.h"
  34 #include "ParagraphParameters.h"
  35 #include "undo.h"
  36
  37 #include "support/convert.h"
  38
  39 #include "frontends/Alert.h"
  40 #include "frontends/font_metrics.h"
  41 #include "frontends/Gui.h"
  42 #include "frontends/LyXView.h"
  43 #include "frontends/Clipboard.h"
  44 #include "frontends/Painter.h"
  45 #include "frontends/Selection.h"
  46 #include "frontends/nullpainter.h"
  47
  48 #include <sstream>
  49 #include <iostream>
  50 #include <limits>
  51
  52 using lyx::cap::dirtyTabularStack;
  53 using lyx::cap::tabularStackDirty;
  54
  55 using lyx::graphics::PreviewLoader;
  56
  57 using lyx::support::ltrim;
  58
  59 using lyx::frontend::Painter;
  60 using lyx::frontend::Gui;
  61 using lyx::frontend::Clipboard;
  62
  63 using boost::shared_ptr;
  64
  65 using std::auto_ptr;
  66 using std::endl;
  67 using std::max;
  68 using std::string;
  69 using std::istringstream;
  70 using std::ostream;
  71 using std::ostringstream;
  72 using std::swap;
  73 using std::vector;
  74
  75
  76 namespace {
  77
  78 int const ADD_TO_HEIGHT = 2;
  79 int const ADD_TO_TABULAR_WIDTH = 2;
  80 int const default_line_space = 10;
  81
  82 ///
  83 boost::scoped_ptr<LyXTabular> paste_tabular;
  84
  85
  86 struct TabularFeature {
  87         LyXTabular::Feature action;
  88         string feature;
  89 };
  90
  91
  92 TabularFeature tabularFeature[] =
  93 {
  94         { LyXTabular::APPEND_ROW, "append-row" },
  95         { LyXTabular::APPEND_COLUMN, "append-column" },
  96         { LyXTabular::DELETE_ROW, "delete-row" },
  97         { LyXTabular::DELETE_COLUMN, "delete-column" },
  98         { LyXTabular::TOGGLE_LINE_TOP, "toggle-line-top" },
  99         { LyXTabular::TOGGLE_LINE_BOTTOM, "toggle-line-bottom" },
 100         { LyXTabular::TOGGLE_LINE_LEFT, "toggle-line-left" },
 101         { LyXTabular::TOGGLE_LINE_RIGHT, "toggle-line-right" },
 102         { LyXTabular::ALIGN_LEFT, "align-left" },
 103         { LyXTabular::ALIGN_RIGHT, "align-right" },
 104         { LyXTabular::ALIGN_CENTER, "align-center" },
 105         { LyXTabular::ALIGN_BLOCK, "align-block" },
 106         { LyXTabular::VALIGN_TOP, "valign-top" },
 107         { LyXTabular::VALIGN_BOTTOM, "valign-bottom" },
 108         { LyXTabular::VALIGN_MIDDLE, "valign-middle" },
 109         { LyXTabular::M_TOGGLE_LINE_TOP, "m-toggle-line-top" },
 110         { LyXTabular::M_TOGGLE_LINE_BOTTOM, "m-toggle-line-bottom" },
 111         { LyXTabular::M_TOGGLE_LINE_LEFT, "m-toggle-line-left" },
 112         { LyXTabular::M_TOGGLE_LINE_RIGHT, "m-toggle-line-right" },
 113         { LyXTabular::M_ALIGN_LEFT, "m-align-left" },
 114         { LyXTabular::M_ALIGN_RIGHT, "m-align-right" },
 115         { LyXTabular::M_ALIGN_CENTER, "m-align-center" },
 116         { LyXTabular::M_VALIGN_TOP, "m-valign-top" },
 117         { LyXTabular::M_VALIGN_BOTTOM, "m-valign-bottom" },
 118         { LyXTabular::M_VALIGN_MIDDLE, "m-valign-middle" },
 119         { LyXTabular::MULTICOLUMN, "multicolumn" },
 120         { LyXTabular::SET_ALL_LINES, "set-all-lines" },
 121         { LyXTabular::UNSET_ALL_LINES, "unset-all-lines" },
 122         { LyXTabular::SET_LONGTABULAR, "set-longtabular" },
 123         { LyXTabular::UNSET_LONGTABULAR, "unset-longtabular" },
 124         { LyXTabular::SET_PWIDTH, "set-pwidth" },
 125         { LyXTabular::SET_MPWIDTH, "set-mpwidth" },
 126         { LyXTabular::SET_ROTATE_TABULAR, "set-rotate-tabular" },
 127         { LyXTabular::UNSET_ROTATE_TABULAR, "unset-rotate-tabular" },
 128         { LyXTabular::SET_ROTATE_CELL, "set-rotate-cell" },
 129         { LyXTabular::UNSET_ROTATE_CELL, "unset-rotate-cell" },
 130         { LyXTabular::SET_USEBOX, "set-usebox" },
 131         { LyXTabular::SET_LTHEAD, "set-lthead" },
 132         { LyXTabular::UNSET_LTHEAD, "unset-lthead" },
 133         { LyXTabular::SET_LTFIRSTHEAD, "set-ltfirsthead" },
 134         { LyXTabular::UNSET_LTFIRSTHEAD, "unset-ltfirsthead" },
 135         { LyXTabular::SET_LTFOOT, "set-ltfoot" },
 136         { LyXTabular::UNSET_LTFOOT, "unset-ltfoot" },
 137         { LyXTabular::SET_LTLASTFOOT, "set-ltlastfoot" },
 138         { LyXTabular::UNSET_LTLASTFOOT, "unset-ltlastfoot" },
 139         { LyXTabular::SET_LTNEWPAGE, "set-ltnewpage" },
 140         { LyXTabular::SET_SPECIAL_COLUMN, "set-special-column" },
 141         { LyXTabular::SET_SPECIAL_MULTI, "set-special-multi" },
 142         { LyXTabular::SET_BOOKTABS, "set-booktabs" },
 143         { LyXTabular::UNSET_BOOKTABS, "unset-booktabs" },
 144         { LyXTabular::SET_TOP_SPACE, "set-top-space" },
 145         { LyXTabular::SET_BOTTOM_SPACE, "set-bottom-space" },
 146         { LyXTabular::SET_INTERLINE_SPACE, "set-interline-space" },
 147         { LyXTabular::LAST_ACTION, "" }
 148 };
 149
 150
 151 class FeatureEqual : public std::unary_function<TabularFeature, bool> {
 152 public:
 153         FeatureEqual(LyXTabular::Feature feature)
 154                 : feature_(feature) {}
 155         bool operator()(TabularFeature const & tf) const {
 156                 return tf.action == feature_;
 157         }
 158 private:
 159         LyXTabular::Feature feature_;
 160 };
 161
 162 } // namespace anon
 163
 164
 165 string const featureAsString(LyXTabular::Feature feature)
 166 {
 167         TabularFeature * end = tabularFeature +
 168                 sizeof(tabularFeature) / sizeof(TabularFeature);
 169         TabularFeature * it = std::find_if(tabularFeature, end,
 170                                            FeatureEqual(feature));
 171         return (it == end) ? string() : it->feature;
 172 }
 173
 174
 175 bool InsetTabular::hasPasteBuffer() const
 176 {
 177         return (paste_tabular.get() != 0);
 178 }
 179
 180
 181 InsetTabular::InsetTabular(Buffer const & buf, row_type rows,
 182                            col_type columns)
 183         : tabular(buf.params(), max(rows, row_type(1)),
 184           max(columns, col_type(1))), buffer_(&buf), scx_(0)
 185 {}
 186
 187
 188 InsetTabular::InsetTabular(InsetTabular const & tab)
 189         : InsetOld(tab), tabular(tab.tabular),
 190                 buffer_(tab.buffer_), scx_(0)
 191 {}
 192
 193
 194 InsetTabular::~InsetTabular()
 195 {
 196         InsetTabularMailer(*this).hideDialog();
 197 }
 198
 199
 200 auto_ptr<InsetBase> InsetTabular::doClone() const
 201 {
 202         return auto_ptr<InsetBase>(new InsetTabular(*this));
 203 }
 204
 205
 206 Buffer const & InsetTabular::buffer() const
 207 {
 208         return *buffer_;
 209 }
 210
 211
 212 void InsetTabular::buffer(Buffer const * b)
 213 {
 214         buffer_ = b;
 215 }
 216
 217
 218 void InsetTabular::write(Buffer const & buf, ostream & os) const
 219 {
 220         os << "Tabular" << endl;
 221         tabular.write(buf, os);
 222 }
 223
 224
 225 void InsetTabular::read(Buffer const & buf, LyXLex & lex)
 226 {
 227         bool const old_format = (lex.getString() == "\\LyXTable");
 228
 229         tabular.read(buf, lex);
 230
 231         if (old_format)
 232                 return;
 233
 234         lex.next();
 235         string token = lex.getString();
 236         while (lex.isOK() && (token != "\\end_inset")) {
 237                 lex.next();
 238                 token = lex.getString();
 239         }
 240         if (token != "\\end_inset") {
 241                 lex.printError("Missing \\end_inset at this point. "
 242                                "Read: `$$Token'");
 243         }
 244 }
 245
 246
 247 void InsetTabular::metrics(MetricsInfo & mi, Dimension & dim) const
 248 {
 249         //lyxerr << "InsetTabular::metrics: " << mi.base.bv << " width: " <<
 250         //      mi.base.textwidth << "\n";
 251         if (!mi.base.bv) {
 252                 lyxerr << "InsetTabular::metrics: need bv" << endl;
 253                 BOOST_ASSERT(false);
 254         }
 255
 256         row_type i = 0;
 257         for (idx_type cell = 0; i < tabular.rows(); ++i) {
 258                 int maxAsc = 0;
 259                 int maxDesc = 0;
 260                 for (col_type j = 0; j < tabular.columns(); ++j) {
 261                         if (tabular.isPartOfMultiColumn(i, j))
 262                                 // Multicolumn cell, but not first one
 263                                 continue;
 264                         Dimension dim;
 265                         MetricsInfo m = mi;
 266                         LyXLength p_width;
 267                         if (tabular.cell_info[i][j].multicolumn ==
 268                             LyXTabular::CELL_BEGIN_OF_MULTICOLUMN)
 269                                 p_width = tabular.cellinfo_of_cell(cell).p_width;
 270                         else
 271                                 p_width = tabular.column_info[j].p_width;
 272                         if (!p_width.zero())
 273                                 m.base.textwidth = p_width.inPixels(mi.base.textwidth);
 274                         tabular.getCellInset(cell)->metrics(m, dim);
 275                         if (!p_width.zero())
 276                                 dim.wid = m.base.textwidth;
 277                         maxAsc  = max(maxAsc, dim.asc);
 278                         maxDesc = max(maxDesc, dim.des);
 279                         tabular.setWidthOfCell(cell, dim.wid);
 280                         ++cell;
 281                 }
 282                 int const top_space = tabular.row_info[i].top_space_default ?
 283                         default_line_space :
 284                         tabular.row_info[i].top_space.inPixels(mi.base.textwidth);
 285                 tabular.setAscentOfRow(i, maxAsc + ADD_TO_HEIGHT + top_space);
 286                 int const bottom_space = tabular.row_info[i].bottom_space_default ?
 287                         default_line_space :
 288                         tabular.row_info[i].bottom_space.inPixels(mi.base.textwidth);
 289                 tabular.setDescentOfRow(i, maxDesc + ADD_TO_HEIGHT + bottom_space);
 290         }
 291
 292         dim.asc = tabular.getAscentOfRow(0);
 293         dim.des = tabular.getHeightOfTabular() - dim.asc;
 294         dim.wid = tabular.getWidthOfTabular() + 2 * ADD_TO_TABULAR_WIDTH;
 295         dim_ = dim;
 296 }
 297
 298
 299 void InsetTabular::draw(PainterInfo & pi, int x, int y) const
 300 {
 301         setPosCache(pi, x, y);
 302
 303         //lyxerr << "InsetTabular::draw: " << x << " " << y << endl;
 304         BufferView * bv = pi.base.bv;
 305
 306         static lyx::frontend::NullPainter nop;
 307         static PainterInfo nullpi(bv, nop);
 308
 309         //resetPos(bv->cursor());
 310
 311         x += scx_;
 312         x += ADD_TO_TABULAR_WIDTH;
 313
 314         idx_type idx = 0;
 315         first_visible_cell = LyXTabular::npos;
 316         for (row_type i = 0; i < tabular.rows(); ++i) {
 317                 int nx = x;
 318                 int const a = tabular.getAscentOfRow(i);
 319                 int const d = tabular.getDescentOfRow(i);
 320                 idx = tabular.getCellNumber(i, 0);
 321                 for (col_type j = 0; j < tabular.columns(); ++j) {
 322                         if (tabular.isPartOfMultiColumn(i, j))
 323                                 continue;
 324                         if (first_visible_cell == LyXTabular::npos)
 325                                 first_visible_cell = idx;
 326
 327                         int const cx = nx + tabular.getBeginningOfTextInCell(idx);
 328                         if (nx + tabular.getWidthOfColumn(idx) < 0
 329                             || nx > bv->workWidth()
 330                             || y + d < 0
 331                             || y - a > bv->workHeight()) {
 332                                 cell(idx)->draw(nullpi, cx, y);
 333                                 drawCellLines(nop, nx, y, i, idx, pi.erased_);
 334                         } else {
 335                                 cell(idx)->draw(pi, cx, y);
 336                                 drawCellLines(pi.pain, nx, y, i, idx, pi.erased_);
 337                         }
 338                         nx += tabular.getWidthOfColumn(idx);
 339                         ++idx;
 340                 }
 341
 342                 if (i + 1 < tabular.rows())
 343                         y += d + tabular.getAscentOfRow(i + 1) +
 344                                 tabular.getAdditionalHeight(i + 1);
 345         }
 346 }
 347
 348
 349 void InsetTabular::drawSelection(PainterInfo & pi, int x, int y) const
 350 {
 351         setPosCache(pi, x, y);
 352
 353         LCursor & cur = pi.base.bv->cursor();
 354
 355         x += scx_ + ADD_TO_TABULAR_WIDTH;
 356
 357         // Paint background of current tabular
 358         int const w = tabular.getWidthOfTabular();
 359         int const h = tabular.getHeightOfTabular();
 360         int yy = y - tabular.getAscentOfRow(0);
 361         pi.pain.fillRectangle(x, yy, w, h, backgroundColor());
 362
 363         if (!cur.selection())
 364                 return;
 365         if (!ptr_cmp(&cur.inset(), this))
 366                 return;
 367
 368         //resetPos(cur);
 369
 370
 371         if (tablemode(cur)) {
 372                 row_type rs, re;
 373                 col_type cs, ce;
 374                 getSelection(cur, rs, re, cs, ce);
 375                 y -= tabular.getAscentOfRow(0);
 376                 for (row_type j = 0; j < tabular.rows(); ++j) {
 377                         int const a = tabular.getAscentOfRow(j);
 378                         int const h = a + tabular.getDescentOfRow(j);
 379                         int xx = x;
 380                         y += tabular.getAdditionalHeight(j);
 381                         for (col_type i = 0; i < tabular.columns(); ++i) {
 382                                 if (tabular.isPartOfMultiColumn(j, i))
 383                                         continue;
 384                                 idx_type const cell =
 385                                         tabular.getCellNumber(j, i);
 386                                 int const w = tabular.getWidthOfColumn(cell);
 387                                 if (i >= cs && i <= ce && j >= rs && j <= re)
 388                                         pi.pain.fillRectangle(xx, y, w, h,
 389                                                               LColor::selection);
 390                                 xx += w;
 391
 392                         }
 393                         y += h;
 394                 }
 395
 396         } else {
 397                 cur.text()->drawSelection(pi, x + getCellXPos(cur.idx()) + tabular.getBeginningOfTextInCell(cur.idx()), 0 /*this value is ignored */);
 398         }
 399 }
 400
 401
 402 void InsetTabular::drawCellLines(Painter & pain, int x, int y,
 403                                  row_type row, idx_type cell, bool erased) const
 404 {
 405         int x2 = x + tabular.getWidthOfColumn(cell);
 406         bool on_off = false;
 407         LColor::color col = LColor::tabularline;
 408         LColor::color onoffcol = LColor::tabularonoffline;
 409
 410         if (erased) {
 411                 col = LColor::strikeout;
 412                 onoffcol = LColor::strikeout;
 413         }
 414
 415         if (!tabular.topAlreadyDrawn(cell)) {
 416                 on_off = !tabular.topLine(cell);
 417                 pain.line(x, y - tabular.getAscentOfRow(row),
 418                           x2, y -  tabular.getAscentOfRow(row),
 419                           on_off ? onoffcol : col,
 420                           on_off ? Painter::line_onoffdash : Painter::line_solid);
 421         }
 422         on_off = !tabular.bottomLine(cell);
 423         pain.line(x, y + tabular.getDescentOfRow(row),
 424                   x2, y + tabular.getDescentOfRow(row),
 425                   on_off ? onoffcol : col,
 426                   on_off ? Painter::line_onoffdash : Painter::line_solid);
 427         if (!tabular.leftAlreadyDrawn(cell)) {
 428                 on_off = !tabular.leftLine(cell);
 429                 pain.line(x, y -  tabular.getAscentOfRow(row),
 430                           x, y +  tabular.getDescentOfRow(row),
 431                           on_off ? onoffcol : col,
 432                           on_off ? Painter::line_onoffdash : Painter::line_solid);
 433         }
 434         on_off = !tabular.rightLine(cell);
 435         pain.line(x2 - tabular.getAdditionalWidth(cell),
 436                   y -  tabular.getAscentOfRow(row),
 437                   x2 - tabular.getAdditionalWidth(cell),
 438                   y +  tabular.getDescentOfRow(row),
 439                   on_off ? onoffcol : col,
 440                   on_off ? Painter::line_onoffdash : Painter::line_solid);
 441 }
 442
 443
 444 string const InsetTabular::editMessage() const
 445 {
 446         return _("Opened table");
 447 }
 448
 449
 450 void InsetTabular::edit(LCursor & cur, bool left)
 451 {
 452         //lyxerr << "InsetTabular::edit: " << this << endl;
 453         finishUndo();
 454         cur.selection() = false;
 455         cur.push(*this);
 456         if (left) {
 457                 if (isRightToLeft(cur))
 458                         cur.idx() = tabular.getLastCellInRow(0);
 459                 else
 460                         cur.idx() = 0;
 461                 cur.pit() = 0;
 462                 cur.pos() = 0;
 463         } else {
 464                 if (isRightToLeft(cur))
 465                         cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1);
 466                 else
 467                         cur.idx() = tabular.getNumberOfCells() - 1;
 468                 cur.pit() = 0;
 469                 cur.pos() = cur.lastpos(); // FIXME crude guess
 470         }
 471         // this accesses the position cache before it is initialized
 472         //resetPos(cur);
 473         //cur.bv().fitCursor();
 474 }
 475
 476
 477 void InsetTabular::doDispatch(LCursor & cur, FuncRequest & cmd)
 478 {
 479         lyxerr[Debug::DEBUG] << "# InsetTabular::doDispatch: cmd: " << cmd
 480                              << "\n  cur:" << cur << endl;
 481         CursorSlice sl = cur.top();
 482         LCursor & bvcur = cur.bv().cursor();
 483
 484         switch (cmd.action) {
 485
 486         case LFUN_MOUSE_PRESS:
 487                 //lyxerr << "# InsetTabular::MousePress\n" << cur.bv().cursor() << endl;
 488
 489                 if (cmd.button() == mouse_button::button1
 490                     || cmd.button() == mouse_button::button3) {
 491                         cur.selection() = false;
 492                         setCursorFromCoordinates(cur, cmd.x, cmd.y);
 493                         cur.resetAnchor();
 494                         bvcur = cur;
 495                         break;
 496                 }
 497
 498                 if (cmd.button() == mouse_button::button2) {
 499                         cmd = FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph");
 500                         doDispatch(cur, cmd);
 501                 }
 502                 break;
 503
 504         case LFUN_MOUSE_MOTION:
 505                 //lyxerr << "# InsetTabular::MouseMotion\n" << bvcur << endl;
 506                 if (cmd.button() == mouse_button::button1) {
 507                         // only accept motions to places not deeper nested than the real anchor
 508                         if (bvcur.anchor_.hasPart(cur)) {
 509                                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
 510                                 bvcur.setCursor(cur);
 511                                 bvcur.selection() = true;
 512                         } else
 513                                 cur.undispatched();
 514                 }
 515                 break;
 516
 517         case LFUN_MOUSE_RELEASE:
 518                 //lyxerr << "# InsetTabular::MouseRelease\n" << bvcur << endl;
 519                 if (cmd.button() == mouse_button::button3)
 520                         InsetTabularMailer(*this).showDialog(&cur.bv());
 521                 break;
 522
 523         case LFUN_CELL_BACKWARD:
 524                 movePrevCell(cur);
 525                 cur.selection() = false;
 526                 break;
 527
 528         case LFUN_CELL_FORWARD:
 529                 moveNextCell(cur);
 530                 cur.selection() = false;
 531                 break;
 532
 533         case LFUN_CHAR_FORWARD_SELECT:
 534         case LFUN_CHAR_FORWARD:
 535                 cell(cur.idx())->dispatch(cur, cmd);
 536                 if (!cur.result().dispatched()) {
 537                         isRightToLeft(cur) ? movePrevCell(cur) : moveNextCell(cur);
 538                         if (sl == cur.top())
 539                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 540                         else
 541                                 cur.dispatched();
 542                 }
 543                 break;
 544
 545         case LFUN_CHAR_BACKWARD_SELECT:
 546         case LFUN_CHAR_BACKWARD:
 547                 cell(cur.idx())->dispatch(cur, cmd);
 548                 if (!cur.result().dispatched()) {
 549                         isRightToLeft(cur) ? moveNextCell(cur) : movePrevCell(cur);
 550                         if (sl == cur.top())
 551                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 552                         else
 553                                 cur.dispatched();
 554                 }
 555                 break;
 556
 557         case LFUN_DOWN_SELECT:
 558         case LFUN_DOWN:
 559                 cell(cur.idx())->dispatch(cur, cmd);
 560                 cur.dispatched(); // override the cell's decision
 561                 if (sl == cur.top())
 562                         // if our LyXText didn't do anything to the cursor
 563                         // then we try to put the cursor into the cell below
 564                         // setting also the right targetX.
 565                         if (tabular.row_of_cell(cur.idx()) != tabular.rows() - 1) {
 566                                 cur.idx() = tabular.getCellBelow(cur.idx());
 567                                 cur.pit() = 0;
 568                                 cur.pos() = cell(cur.idx())->getText(0)->x2pos(
 569                                         cur.pit(), 0, cur.targetX());
 570                         }
 571                 if (sl == cur.top()) {
 572                         // we trick it to go to the RIGHT after leaving the
 573                         // tabular.
 574                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 575                         cur.undispatched();
 576                 }
 577                 break;
 578
 579         case LFUN_UP_SELECT:
 580         case LFUN_UP:
 581                 cell(cur.idx())->dispatch(cur, cmd);
 582                 cur.dispatched(); // override the cell's decision
 583                 if (sl == cur.top())
 584                         // if our LyXText didn't do anything to the cursor
 585                         // then we try to put the cursor into the cell above
 586                         // setting also the right targetX.
 587                         if (tabular.row_of_cell(cur.idx()) != 0) {
 588                                 cur.idx() = tabular.getCellAbove(cur.idx());
 589                                 cur.pit() = cur.lastpit();
 590                                 LyXText const * text = cell(cur.idx())->getText(0);
 591                                 cur.pos() = text->x2pos(
 592                                         cur.pit(),
 593                                         text->paragraphs().back().rows().size()-1,
 594                                         cur.targetX());
 595                         }
 596                 if (sl == cur.top()) {
 597                         cmd = FuncRequest(LFUN_FINISHED_UP);
 598                         cur.undispatched();
 599                 }
 600                 break;
 601
 602 //      case LFUN_SCREEN_DOWN: {
 603 //              //if (hasSelection())
 604 //              //      cur.selection() = false;
 605 //              col_type const col = tabular.column_of_cell(cur.idx());
 606 //              int const t =   cur.bv().top_y() + cur.bv().height();
 607 //              if (t < yo() + tabular.getHeightOfTabular()) {
 608 //                      cur.bv().scrollDocView(t);
 609 //                      cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 610 //              } else {
 611 //                      cur.idx() = tabular.getFirstCellInRow(tabular.rows() - 1) + col;
 612 //              }
 613 //              cur.par() = 0;
 614 //              cur.pos() = 0;
 615 //              break;
 616 //      }
 617 //
 618 //      case LFUN_SCREEN_UP: {
 619 //              //if (hasSelection())
 620 //              //      cur.selection() = false;
 621 //              col_type const col = tabular.column_of_cell(cur.idx());
 622 //              int const t =   cur.bv().top_y() + cur.bv().height();
 623 //              if (yo() < 0) {
 624 //                      cur.bv().scrollDocView(t);
 625 //                      if (yo() > 0)
 626 //                              cur.idx() = col;
 627 //                      else
 628 //                              cur.idx() = tabular.getCellBelow(first_visible_cell) + col;
 629 //              } else {
 630 //                      cur.idx() = col;
 631 //              }
 632 //              cur.par() = cur.lastpar();
 633 //              cur.pos() = cur.lastpos();
 634 //              break;
 635 //      }
 636
 637         case LFUN_LAYOUT_TABULAR:
 638                 InsetTabularMailer(*this).showDialog(&cur.bv());
 639                 break;
 640
 641         case LFUN_INSET_DIALOG_UPDATE:
 642                 InsetTabularMailer(*this).updateDialog(&cur.bv());
 643                 break;
 644
 645         case LFUN_TABULAR_FEATURE:
 646                 if (!tabularFeatures(cur, cmd.argument))
 647                         cur.undispatched();
 648                 break;
 649
 650         // insert file functions
 651         case LFUN_FILE_INSERT_ASCII_PARA:
 652         case LFUN_FILE_INSERT_ASCII: {
 653                 string const tmpstr = getContentsOfAsciiFile(&cur.bv(), cmd.argument, false);
 654                 if (!tmpstr.empty() && !insertAsciiString(cur.bv(), tmpstr, false))
 655                         cur.undispatched();
 656                 break;
 657         }
 658
 659         case LFUN_CUT:
 660                 if (tablemode(cur)) {
 661                         if (copySelection(cur)) {
 662                                 recordUndoInset(cur, Undo::DELETE);
 663                                 cutSelection(cur);
 664                         }
 665                 }
 666                 else
 667                         cell(cur.idx())->dispatch(cur, cmd);
 668                 break;
 669
 670         case LFUN_CHAR_DELETE_BACKWARD:
 671         case LFUN_CHAR_DELETE_FORWARD:
 672                 if (tablemode(cur)) {
 673                         recordUndoInset(cur, Undo::DELETE);
 674                         cutSelection(cur);
 675                 }
 676                 else
 677                         cell(cur.idx())->dispatch(cur, cmd);
 678                 break;
 679
 680         case LFUN_COPY:
 681                 if (!cur.selection())
 682                         break;
 683                 if (tablemode(cur)) {
 684                         finishUndo();
 685                         copySelection(cur);
 686                 } else
 687                         cell(cur.idx())->dispatch(cur, cmd);
 688                 break;
 689
 690         case LFUN_CLIPBOARD_PASTE:
 691         case LFUN_PRIMARY_SELECTION_PASTE: {
 692                 string const clip = (cmd.action == LFUN_CLIPBOARD_PASTE) ?
 693                         cur.bv().owner()->gui().clipboard().get() :
 694                         cur.bv().owner()->gui().selection().get();
 695                 if (clip.empty())
 696                         break;
 697                 // pass to InsertAsciiString, but
 698                 // only if we have multi-cell content
 699                 if (clip.find_first_of("\t\n") != string::npos) {
 700                         if (insertAsciiString(cur.bv(), clip, false)) {
 701                                 // content has been replaced,
 702                                 // so cursor might be invalid
 703                                 cur.pos() = cur.lastpos();
 704                                 bvcur.setCursor(cur);
 705                                 break;
 706                         }
 707                 } else {
 708                         // so that the clipboard is used and it goes on
 709                         // to default
 710                         // and executes LFUN_PRIMARY_SELECTION_PASTE in insettext!
 711                         paste_tabular.reset();
 712                         dirtyTabularStack(false);
 713                 }
 714                 // fall through
 715         }
 716
 717         case LFUN_PASTE:
 718                 if (hasPasteBuffer() && tabularStackDirty()) {
 719                         recordUndoInset(cur, Undo::INSERT);
 720                         pasteSelection(cur);
 721                         break;
 722                 }
 723                 cell(cur.idx())->dispatch(cur, cmd);
 724                 // Reset pasted paragraphs:
 725                 if (tabular.getPWidth(cur.idx()).zero())
 726                         cell(cur.idx())->forceParagraphsToDefault(cur);
 727                 break;
 728
 729         case LFUN_FONT_EMPH:
 730         case LFUN_FONT_BOLD:
 731         case LFUN_FONT_ROMAN:
 732         case LFUN_FONT_NOUN:
 733         case LFUN_FONT_ITAL:
 734         case LFUN_FONT_FRAK:
 735         case LFUN_FONT_CODE:
 736         case LFUN_FONT_SANS:
 737         case LFUN_FONT_FREE_APPLY:
 738         case LFUN_FONT_FREE_UPDATE:
 739         case LFUN_FONT_SIZE:
 740         case LFUN_FONT_UNDERLINE:
 741         case LFUN_LANGUAGE:
 742         case LFUN_WORD_CAPITALIZE:
 743         case LFUN_WORD_UPCASE:
 744         case LFUN_WORD_LOWCASE:
 745         case LFUN_CHARS_TRANSPOSE:
 746                 if (tablemode(cur)) {
 747                         row_type rs, re;
 748                         col_type cs, ce;
 749                         getSelection(cur, rs, re, cs, ce);
 750                         for (row_type i = rs; i <= re; ++i) {
 751                                 for (col_type j = cs; j <= ce; ++j) {
 752                                         // cursor follows cell:
 753                                         cur.idx() = tabular.getCellNumber(i, j);
 754                                         // select this cell only:
 755                                         cur.pos() = 0;
 756                                         cur.resetAnchor();
 757                                         cur.pos() = cur.top().lastpos();
 758                                         cur.setCursor(cur);
 759                                         cur.setSelection();
 760                                         cell(cur.idx())->dispatch(cur, cmd);
 761                                 }
 762                         }
 763                         // Restore original selection
 764                         cur.idx() = tabular.getCellNumber(rs, cs);
 765                         cur.pos() = 0;
 766                         cur.resetAnchor();
 767                         cur.idx() = tabular.getCellNumber(re, ce);
 768                         cur.pos() = cur.top().lastpos();
 769                         cur.setCursor(cur);
 770                         cur.setSelection();
 771                         break;
 772                 } else {
 773                         cell(cur.idx())->dispatch(cur, cmd);
 774                         break;
 775                 }
 776         default:
 777                 // we try to handle this event in the insets dispatch function.
 778                 cell(cur.idx())->dispatch(cur, cmd);
 779                 break;
 780         }
 781
 782         resetPos(cur);
 783         InsetTabularMailer(*this).updateDialog(&cur.bv());
 784 }
 785
 786
 787 // function sets an object as defined in func_status.h:
 788 // states OK, Unknown, Disabled, On, Off.
 789 bool InsetTabular::getStatus(LCursor & cur, FuncRequest const & cmd,
 790         FuncStatus & status) const
 791 {
 792         switch (cmd.action) {
 793         case LFUN_TABULAR_FEATURE: {
 794                 int action = LyXTabular::LAST_ACTION;
 795                 int i = 0;
 796                 for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
 797                         string const tmp = tabularFeature[i].feature;
 798                         if (tmp == cmd.argument.substr(0, tmp.length())) {
 799                                 action = tabularFeature[i].action;
 800                                 break;
 801                         }
 802                 }
 803                 if (action == LyXTabular::LAST_ACTION) {
 804                         status.clear();
 805                         status.unknown(true);
 806                         return true;
 807                 }
 808
 809                 string const argument
 810                         = ltrim(cmd.argument.substr(tabularFeature[i].feature.length()));
 811
 812                 row_type sel_row_start = 0;
 813                 row_type sel_row_end = 0;
 814                 col_type dummy;
 815                 LyXTabular::ltType dummyltt;
 816                 bool flag = true;
 817
 818                 getSelection(cur, sel_row_start, sel_row_end, dummy, dummy);
 819
 820                 switch (action) {
 821                 case LyXTabular::SET_PWIDTH:
 822                 case LyXTabular::SET_MPWIDTH:
 823                 case LyXTabular::SET_SPECIAL_COLUMN:
 824                 case LyXTabular::SET_SPECIAL_MULTI:
 825                 case LyXTabular::APPEND_ROW:
 826                 case LyXTabular::APPEND_COLUMN:
 827                 case LyXTabular::DELETE_ROW:
 828                 case LyXTabular::DELETE_COLUMN:
 829                 case LyXTabular::SET_ALL_LINES:
 830                 case LyXTabular::UNSET_ALL_LINES:
 831                 case LyXTabular::SET_TOP_SPACE:
 832                 case LyXTabular::SET_BOTTOM_SPACE:
 833                 case LyXTabular::SET_INTERLINE_SPACE:
 834                         status.clear();
 835                         return true;
 836
 837                 case LyXTabular::MULTICOLUMN:
 838                         status.setOnOff(tabular.isMultiColumn(cur.idx()));
 839                         break;
 840
 841                 case LyXTabular::M_TOGGLE_LINE_TOP:
 842                         flag = false;
 843                 case LyXTabular::TOGGLE_LINE_TOP:
 844                         status.setOnOff(tabular.topLine(cur.idx(), flag));
 845                         break;
 846
 847                 case LyXTabular::M_TOGGLE_LINE_BOTTOM:
 848                         flag = false;
 849                 case LyXTabular::TOGGLE_LINE_BOTTOM:
 850                         status.setOnOff(tabular.bottomLine(cur.idx(), flag));
 851                         break;
 852
 853                 case LyXTabular::M_TOGGLE_LINE_LEFT:
 854                         flag = false;
 855                 case LyXTabular::TOGGLE_LINE_LEFT:
 856                         status.setOnOff(tabular.leftLine(cur.idx(), flag));
 857                         break;
 858
 859                 case LyXTabular::M_TOGGLE_LINE_RIGHT:
 860                         flag = false;
 861                 case LyXTabular::TOGGLE_LINE_RIGHT:
 862                         status.setOnOff(tabular.rightLine(cur.idx(), flag));
 863                         break;
 864
 865                 case LyXTabular::M_ALIGN_LEFT:
 866                         flag = false;
 867                 case LyXTabular::ALIGN_LEFT:
 868                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_LEFT);
 869                         break;
 870
 871                 case LyXTabular::M_ALIGN_RIGHT:
 872                         flag = false;
 873                 case LyXTabular::ALIGN_RIGHT:
 874                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_RIGHT);
 875                         break;
 876
 877                 case LyXTabular::M_ALIGN_CENTER:
 878                         flag = false;
 879                 case LyXTabular::ALIGN_CENTER:
 880                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_CENTER);
 881                         break;
 882
 883                 case LyXTabular::ALIGN_BLOCK:
 884                         status.enabled(!tabular.getPWidth(cur.idx()).zero());
 885                         status.setOnOff(tabular.getAlignment(cur.idx(), flag) == LYX_ALIGN_BLOCK);
 886                         break;
 887
 888                 case LyXTabular::M_VALIGN_TOP:
 889                         flag = false;
 890                 case LyXTabular::VALIGN_TOP:
 891                         status.setOnOff(
 892                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_TOP);
 893                         break;
 894
 895                 case LyXTabular::M_VALIGN_BOTTOM:
 896                         flag = false;
 897                 case LyXTabular::VALIGN_BOTTOM:
 898                         status.setOnOff(
 899                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_BOTTOM);
 900                         break;
 901
 902                 case LyXTabular::M_VALIGN_MIDDLE:
 903                         flag = false;
 904                 case LyXTabular::VALIGN_MIDDLE:
 905                         status.setOnOff(
 906                                 tabular.getVAlignment(cur.idx(), flag) == LyXTabular::LYX_VALIGN_MIDDLE);
 907                         break;
 908
 909                 case LyXTabular::SET_LONGTABULAR:
 910                         status.setOnOff(tabular.isLongTabular());
 911                         break;
 912
 913                 case LyXTabular::UNSET_LONGTABULAR:
 914                         status.setOnOff(!tabular.isLongTabular());
 915                         break;
 916
 917                 case LyXTabular::SET_ROTATE_TABULAR:
 918                         status.setOnOff(tabular.getRotateTabular());
 919                         break;
 920
 921                 case LyXTabular::UNSET_ROTATE_TABULAR:
 922                         status.setOnOff(!tabular.getRotateTabular());
 923                         break;
 924
 925                 case LyXTabular::SET_ROTATE_CELL:
 926                         status.setOnOff(tabular.getRotateCell(cur.idx()));
 927                         break;
 928
 929                 case LyXTabular::UNSET_ROTATE_CELL:
 930                         status.setOnOff(!tabular.getRotateCell(cur.idx()));
 931                         break;
 932
 933                 case LyXTabular::SET_USEBOX:
 934                         status.setOnOff(convert<int>(argument) == tabular.getUsebox(cur.idx()));
 935                         break;
 936
 937                 case LyXTabular::SET_LTFIRSTHEAD:
 938                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 939                         break;
 940
 941                 case LyXTabular::UNSET_LTFIRSTHEAD:
 942                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 943                         break;
 944
 945                 case LyXTabular::SET_LTHEAD:
 946                         status.setOnOff(tabular.getRowOfLTHead(sel_row_start, dummyltt));
 947                         break;
 948
 949                 case LyXTabular::UNSET_LTHEAD:
 950                         status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 951                         break;
 952
 953                 case LyXTabular::SET_LTFOOT:
 954                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 955                         break;
 956
 957                 case LyXTabular::UNSET_LTFOOT:
 958                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 959                         break;
 960
 961                 case LyXTabular::SET_LTLASTFOOT:
 962                         status.setOnOff(tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 963                         break;
 964
 965                 case LyXTabular::UNSET_LTLASTFOOT:
 966                         status.setOnOff(!tabular.getRowOfLTFoot(sel_row_start, dummyltt));
 967                         break;
 968
 969                 case LyXTabular::SET_LTNEWPAGE:
 970                         status.setOnOff(tabular.getLTNewPage(sel_row_start));
 971                         break;
 972
 973                 case LyXTabular::SET_BOOKTABS:
 974                         status.setOnOff(tabular.useBookTabs());
 975                         break;
 976
 977                 case LyXTabular::UNSET_BOOKTABS:
 978                         status.setOnOff(!tabular.useBookTabs());
 979                         break;
 980
 981                 default:
 982                         status.clear();
 983                         status.enabled(false);
 984                         break;
 985                 }
 986                 return true;
 987         }
 988
 989         // These are only enabled inside tabular
 990         case LFUN_CELL_BACKWARD:
 991         case LFUN_CELL_FORWARD:
 992                 status.enabled(true);
 993                 return true;
 994
 995         // disable these with multiple cells selected
 996         case LFUN_INSET_INSERT:
 997         case LFUN_TABULAR_INSERT:
 998         case LFUN_CHARSTYLE_INSERT:
 999         case LFUN_FLOAT_INSERT:
1000         case LFUN_FLOAT_WIDE_INSERT:
1001         case LFUN_FOOTNOTE_INSERT:
1002         case LFUN_MARGINALNOTE_INSERT:
1003         case LFUN_MATH_INSERT:
1004         case LFUN_MATH_MODE:
1005         case LFUN_MATH_MUTATE:
1006         case LFUN_MATH_DISPLAY:
1007         case LFUN_NOTE_INSERT:
1008         case LFUN_OPTIONAL_INSERT:
1009         case LFUN_BOX_INSERT:
1010         case LFUN_BRANCH_INSERT:
1011         case LFUN_WRAP_INSERT:
1012         case LFUN_ERT_INSERT: {
1013                 if (tablemode(cur)) {
1014                         status.enabled(false);
1015                         return true;
1016                 } else
1017                         return cell(cur.idx())->getStatus(cur, cmd, status);
1018         }
1019
1020         // disable in non-fixed-width cells
1021         case LFUN_BREAK_LINE:
1022         case LFUN_BREAK_PARAGRAPH:
1023         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1024         case LFUN_BREAK_PARAGRAPH_SKIP: {
1025                 if (tabular.getPWidth(cur.idx()).zero()) {
1026                         status.enabled(false);
1027                         return true;
1028                 } else
1029                         return cell(cur.idx())->getStatus(cur, cmd, status);
1030         }
1031
1032         case LFUN_PASTE:
1033                 if (tabularStackDirty()) {
1034                         status.enabled(true);
1035                         return true;
1036                 }
1037
1038         case LFUN_INSET_MODIFY:
1039                 if (translate(cmd.getArg(0)) == TABULAR_CODE) {
1040                         status.enabled(true);
1041                         return true;
1042                 }
1043                 // Fall through
1044
1045         default:
1046                 // we try to handle this event in the insets dispatch function.
1047                 return cell(cur.idx())->getStatus(cur, cmd, status);
1048         }
1049 }
1050
1051
1052 int InsetTabular::latex(Buffer const & buf, ostream & os,
1053                         OutputParams const & runparams) const
1054 {
1055         return tabular.latex(buf, os, runparams);
1056 }
1057
1058
1059 int InsetTabular::plaintext(Buffer const & buf, ostream & os,
1060                         OutputParams const & runparams) const
1061 {
1062         int const dp = runparams.linelen ? runparams.depth : 0;
1063         return tabular.plaintext(buf, os, runparams, dp, false, 0);
1064 }
1065
1066
1067 int InsetTabular::linuxdoc(Buffer const & buf, ostream & os,
1068                            OutputParams const & runparams) const
1069 {
1070         return tabular.linuxdoc(buf,os, runparams);
1071 }
1072
1073
1074 int InsetTabular::docbook(Buffer const & buf, ostream & os,
1075                           OutputParams const & runparams) const
1076 {
1077         int ret = 0;
1078         InsetBase * master = 0;
1079
1080 #ifdef WITH_WARNINGS
1081 #warning Why not pass a proper DocIterator here?
1082 #endif
1083 #if 0
1084         // if the table is inside a float it doesn't need the informaltable
1085         // wrapper. Search for it.
1086         for (master = owner(); master; master = master->owner())
1087                 if (master->lyxCode() == InsetBase::FLOAT_CODE)
1088                         break;
1089 #endif
1090
1091         if (!master) {
1092                 os << "<informaltable>";
1093                 ++ret;
1094         }
1095         ret += tabular.docbook(buf, os, runparams);
1096         if (!master) {
1097                 os << "</informaltable>";
1098                 ++ret;
1099         }
1100         return ret;
1101 }
1102
1103
1104 void InsetTabular::validate(LaTeXFeatures & features) const
1105 {
1106         tabular.validate(features);
1107 }
1108
1109
1110 shared_ptr<InsetText const> InsetTabular::cell(idx_type idx) const
1111 {
1112         return tabular.getCellInset(idx);
1113 }
1114
1115
1116 shared_ptr<InsetText> InsetTabular::cell(idx_type idx)
1117 {
1118         return tabular.getCellInset(idx);
1119 }
1120
1121
1122 void InsetTabular::cursorPos
1123         (CursorSlice const & sl, bool boundary, int & x, int & y) const
1124 {
1125         cell(sl.idx())->cursorPos(sl, boundary, x, y);
1126
1127         // y offset     correction
1128         int const row = tabular.row_of_cell(sl.idx());
1129         for (int i = 0; i <= row; ++i) {
1130                 if (i != 0) {
1131                         y += tabular.getAscentOfRow(i);
1132                         y += tabular.getAdditionalHeight(i);
1133                 }
1134                 if (i != row)
1135                         y += tabular.getDescentOfRow(i);
1136         }
1137
1138         // x offset correction
1139         int const col = tabular.column_of_cell(sl.idx());
1140         int idx = tabular.getCellNumber(row, 0);
1141         for (int j = 0; j < col; ++j) {
1142                 if (tabular.isPartOfMultiColumn(row, j))
1143                         continue;
1144                 x += tabular.getWidthOfColumn(idx);
1145                 ++idx;
1146         }
1147         x += tabular.getBeginningOfTextInCell(idx);
1148         x += ADD_TO_TABULAR_WIDTH;
1149         x += scx_;
1150 }
1151
1152
1153 int InsetTabular::dist(idx_type const cell, int x, int y) const
1154 {
1155         int xx = 0;
1156         int yy = 0;
1157         InsetBase const & inset = *tabular.getCellInset(cell);
1158         Point o = theCoords.getInsets().xy(&inset);
1159         int const xbeg = o.x_ - tabular.getBeginningOfTextInCell(cell);
1160         int const xend = xbeg + tabular.getWidthOfColumn(cell);
1161         row_type const row = tabular.row_of_cell(cell);
1162         int const ybeg = o.y_ - tabular.getAscentOfRow(row) -
1163                          tabular.getAdditionalHeight(row);
1164         int const yend = o.y_ + tabular.getDescentOfRow(row);
1165
1166         if (x < xbeg)
1167                 xx = xbeg - x;
1168         else if (x > xend)
1169                 xx = x - xend;
1170
1171         if (y < ybeg)
1172                 yy = ybeg - y;
1173         else if (y > yend)
1174                 yy = y - yend;
1175
1176         //lyxerr << " xbeg=" << xbeg << "  xend=" << xend
1177         //       << " ybeg=" << ybeg << " yend=" << yend
1178         //       << " xx=" << xx << " yy=" << yy
1179         //       << " dist=" << xx + yy << endl;
1180         return xx + yy;
1181 }
1182
1183
1184 InsetBase * InsetTabular::editXY(LCursor & cur, int x, int y)
1185 {
1186         //lyxerr << "InsetTabular::editXY: " << this << endl;
1187         cur.selection() = false;
1188         cur.push(*this);
1189         cur.idx() = getNearestCell(x, y);
1190         resetPos(cur);
1191         return cell(cur.idx())->text_.editXY(cur, x, y);
1192 }
1193
1194
1195 void InsetTabular::setCursorFromCoordinates(LCursor & cur, int x, int y) const
1196 {
1197         cur.idx() = getNearestCell(x, y);
1198         cell(cur.idx())->text_.setCursorFromCoordinates(cur, x, y);
1199 }
1200
1201
1202 InsetTabular::idx_type InsetTabular::getNearestCell(int x, int y) const
1203 {
1204         idx_type idx_min = 0;
1205         int dist_min = std::numeric_limits<int>::max();
1206         for (idx_type i = 0, n = nargs(); i != n; ++i) {
1207                 if (theCoords.getInsets().has(tabular.getCellInset(i).get())) {
1208                         int const d = dist(i, x, y);
1209                         if (d < dist_min) {
1210                                 dist_min = d;
1211                                 idx_min = i;
1212                         }
1213                 }
1214         }
1215         return idx_min;
1216 }
1217
1218
1219 int InsetTabular::getCellXPos(idx_type const cell) const
1220 {
1221         idx_type c = cell;
1222
1223         for (; !tabular.isFirstCellInRow(c); --c)
1224                 ;
1225         int lx = tabular.getWidthOfColumn(cell);
1226         for (; c < cell; ++c)
1227                 lx += tabular.getWidthOfColumn(c);
1228
1229         return lx - tabular.getWidthOfColumn(cell);
1230 }
1231
1232
1233 void InsetTabular::resetPos(LCursor & cur) const
1234 {
1235         BufferView & bv = cur.bv();
1236         int const maxwidth = bv.workWidth();
1237
1238         if (&cur.inset() != this) {
1239                 scx_ = 0;
1240         } else {
1241                 int const X1 = 0;
1242                 int const X2 = maxwidth;
1243                 int const offset = ADD_TO_TABULAR_WIDTH + 2;
1244                 int const x1 = xo() + getCellXPos(cur.idx()) + offset;
1245                 int const x2 = x1 + tabular.getWidthOfColumn(cur.idx());
1246
1247                 if (x1 < X1)
1248                         scx_ = X1 + 20 - x1;
1249                 else if (x2 > X2)
1250                         scx_ = X2 - 20 - x2;
1251                 else
1252                         scx_ = 0;
1253         }
1254
1255         cur.needsUpdate();
1256
1257         InsetTabularMailer(*this).updateDialog(&bv);
1258 }
1259
1260
1261 void InsetTabular::moveNextCell(LCursor & cur)
1262 {
1263         if (isRightToLeft(cur)) {
1264                 if (tabular.isFirstCellInRow(cur.idx())) {
1265                         row_type const row = tabular.row_of_cell(cur.idx());
1266                         if (row == tabular.rows() - 1)
1267                                 return;
1268                         cur.idx() = tabular.getCellBelow(tabular.getLastCellInRow(row));
1269                 } else {
1270                         if (cur.idx() == 0)
1271                                 return;
1272                         --cur.idx();
1273                 }
1274         } else {
1275                 if (tabular.isLastCell(cur.idx()))
1276                         return;
1277                 ++cur.idx();
1278         }
1279         cur.pit() = 0;
1280         cur.pos() = 0;
1281         resetPos(cur);
1282 }
1283
1284
1285 void InsetTabular::movePrevCell(LCursor & cur)
1286 {
1287         if (isRightToLeft(cur)) {
1288                 if (tabular.isLastCellInRow(cur.idx())) {
1289                         row_type const row = tabular.row_of_cell(cur.idx());
1290                         if (row == 0)
1291                                 return;
1292                         cur.idx() = tabular.getFirstCellInRow(row);
1293                         cur.idx() = tabular.getCellAbove(cur.idx());
1294                 } else {
1295                         if (tabular.isLastCell(cur.idx()))
1296                                 return;
1297                         ++cur.idx();
1298                 }
1299         } else {
1300                 if (cur.idx() == 0) // first cell
1301                         return;
1302                 --cur.idx();
1303         }
1304         cur.pit() = cur.lastpit();
1305         cur.pos() = cur.lastpos();
1306         resetPos(cur);
1307 }
1308
1309
1310 bool InsetTabular::tabularFeatures(LCursor & cur, string const & what)
1311 {
1312         LyXTabular::Feature action = LyXTabular::LAST_ACTION;
1313
1314         int i = 0;
1315         for (; tabularFeature[i].action != LyXTabular::LAST_ACTION; ++i) {
1316                 string const tmp = tabularFeature[i].feature;
1317
1318                 if (tmp == what.substr(0, tmp.length())) {
1319                         //if (!compare(tabularFeatures[i].feature.c_str(), what.c_str(),
1320                         //tabularFeatures[i].feature.length())) {
1321                         action = tabularFeature[i].action;
1322                         break;
1323                 }
1324         }
1325         if (action == LyXTabular::LAST_ACTION)
1326                 return false;
1327
1328         string const val =
1329                 ltrim(what.substr(tabularFeature[i].feature.length()));
1330         tabularFeatures(cur, action, val);
1331         return true;
1332 }
1333
1334
1335 namespace {
1336
1337 void checkLongtableSpecial(LyXTabular::ltType & ltt,
1338                           string const & special, bool & flag)
1339 {
1340         if (special == "dl_above") {
1341                 ltt.topDL = flag;
1342                 ltt.set = false;
1343         } else if (special == "dl_below") {
1344                 ltt.bottomDL = flag;
1345                 ltt.set = false;
1346         } else if (special == "empty") {
1347                 ltt.empty = flag;
1348                 ltt.set = false;
1349         } else if (flag) {
1350                 ltt.empty = false;
1351                 ltt.set = true;
1352         }
1353 }
1354
1355 } // anon namespace
1356
1357
1358 void InsetTabular::tabularFeatures(LCursor & cur,
1359         LyXTabular::Feature feature, string const & value)
1360 {
1361         BufferView & bv = cur.bv();
1362         col_type sel_col_start;
1363         col_type sel_col_end;
1364         row_type sel_row_start;
1365         row_type sel_row_end;
1366         bool setLines = false;
1367         LyXAlignment setAlign = LYX_ALIGN_LEFT;
1368         LyXTabular::VAlignment setVAlign = LyXTabular::LYX_VALIGN_TOP;
1369
1370         switch (feature) {
1371
1372         case LyXTabular::M_ALIGN_LEFT:
1373         case LyXTabular::ALIGN_LEFT:
1374                 setAlign = LYX_ALIGN_LEFT;
1375                 break;
1376
1377         case LyXTabular::M_ALIGN_RIGHT:
1378         case LyXTabular::ALIGN_RIGHT:
1379                 setAlign = LYX_ALIGN_RIGHT;
1380                 break;
1381
1382         case LyXTabular::M_ALIGN_CENTER:
1383         case LyXTabular::ALIGN_CENTER:
1384                 setAlign = LYX_ALIGN_CENTER;
1385                 break;
1386
1387         case LyXTabular::ALIGN_BLOCK:
1388                 setAlign = LYX_ALIGN_BLOCK;
1389                 break;
1390
1391         case LyXTabular::M_VALIGN_TOP:
1392         case LyXTabular::VALIGN_TOP:
1393                 setVAlign = LyXTabular::LYX_VALIGN_TOP;
1394                 break;
1395
1396         case LyXTabular::M_VALIGN_BOTTOM:
1397         case LyXTabular::VALIGN_BOTTOM:
1398                 setVAlign = LyXTabular::LYX_VALIGN_BOTTOM;
1399                 break;
1400
1401         case LyXTabular::M_VALIGN_MIDDLE:
1402         case LyXTabular::VALIGN_MIDDLE:
1403                 setVAlign = LyXTabular::LYX_VALIGN_MIDDLE;
1404                 break;
1405
1406         default:
1407                 break;
1408         }
1409
1410         recordUndoInset(cur, Undo::ATOMIC);
1411
1412         getSelection(cur, sel_row_start, sel_row_end, sel_col_start, sel_col_end);
1413         row_type const row = tabular.row_of_cell(cur.idx());
1414         col_type const column = tabular.column_of_cell(cur.idx());
1415         bool flag = true;
1416         LyXTabular::ltType ltt;
1417
1418         switch (feature) {
1419
1420         case LyXTabular::SET_PWIDTH: {
1421                 LyXLength const len(value);
1422                 tabular.setColumnPWidth(cur, cur.idx(), len);
1423                 if (len.zero()
1424                     && tabular.getAlignment(cur.idx(), true) == LYX_ALIGN_BLOCK)
1425                         tabularFeatures(cur, LyXTabular::ALIGN_CENTER, string());
1426                 break;
1427         }
1428
1429         case LyXTabular::SET_MPWIDTH:
1430                 tabular.setMColumnPWidth(cur, cur.idx(), LyXLength(value));
1431                 break;
1432
1433         case LyXTabular::SET_SPECIAL_COLUMN:
1434         case LyXTabular::SET_SPECIAL_MULTI:
1435                 tabular.setAlignSpecial(cur.idx(),value,feature);
1436                 break;
1437
1438         case LyXTabular::APPEND_ROW:
1439                 // append the row into the tabular
1440                 tabular.appendRow(bv.buffer()->params(), cur.idx());
1441                 break;
1442
1443         case LyXTabular::APPEND_COLUMN:
1444                 // append the column into the tabular
1445                 tabular.appendColumn(bv.buffer()->params(), cur.idx());
1446                 cur.idx() = tabular.getCellNumber(row, column);
1447                 break;
1448
1449         case LyXTabular::DELETE_ROW:
1450                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1451                         tabular.deleteRow(sel_row_start);
1452                 if (sel_row_start >= tabular.rows())
1453                         --sel_row_start;
1454                 cur.idx() = tabular.getCellNumber(sel_row_start, column);
1455                 cur.pit() = 0;
1456                 cur.pos() = 0;
1457                 cur.selection() = false;
1458                 break;
1459
1460         case LyXTabular::DELETE_COLUMN:
1461                 for (col_type i = sel_col_start; i <= sel_col_end; ++i)
1462                         tabular.deleteColumn(sel_col_start);
1463                 if (sel_col_start >= tabular.columns())
1464                         --sel_col_start;
1465                 cur.idx() = tabular.getCellNumber(row, sel_col_start);
1466                 cur.pit() = 0;
1467                 cur.pos() = 0;
1468                 cur.selection() = false;
1469                 break;
1470
1471         case LyXTabular::M_TOGGLE_LINE_TOP:
1472                 flag = false;
1473         case LyXTabular::TOGGLE_LINE_TOP: {
1474                 bool lineSet = !tabular.topLine(cur.idx(), flag);
1475                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1476                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1477                                 tabular.setTopLine(
1478                                         tabular.getCellNumber(i, j),
1479                                         lineSet, flag);
1480                 break;
1481         }
1482
1483         case LyXTabular::M_TOGGLE_LINE_BOTTOM:
1484                 flag = false;
1485         case LyXTabular::TOGGLE_LINE_BOTTOM: {
1486                 bool lineSet = !tabular.bottomLine(cur.idx(), flag);
1487                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1488                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1489                                 tabular.setBottomLine(
1490                                         tabular.getCellNumber(i, j),
1491                                         lineSet,
1492                                         flag);
1493                 break;
1494         }
1495
1496         case LyXTabular::M_TOGGLE_LINE_LEFT:
1497                 flag = false;
1498         case LyXTabular::TOGGLE_LINE_LEFT: {
1499                 bool lineSet = !tabular.leftLine(cur.idx(), flag);
1500                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1501                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1502                                 tabular.setLeftLine(
1503                                         tabular.getCellNumber(i,j),
1504                                         lineSet,
1505                                         flag);
1506                 break;
1507         }
1508
1509         case LyXTabular::M_TOGGLE_LINE_RIGHT:
1510                 flag = false;
1511         case LyXTabular::TOGGLE_LINE_RIGHT: {
1512                 bool lineSet = !tabular.rightLine(cur.idx(), flag);
1513                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1514                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1515                                 tabular.setRightLine(
1516                                         tabular.getCellNumber(i,j),
1517                                         lineSet,
1518                                         flag);
1519                 break;
1520         }
1521
1522         case LyXTabular::M_ALIGN_LEFT:
1523         case LyXTabular::M_ALIGN_RIGHT:
1524         case LyXTabular::M_ALIGN_CENTER:
1525                 flag = false;
1526         case LyXTabular::ALIGN_LEFT:
1527         case LyXTabular::ALIGN_RIGHT:
1528         case LyXTabular::ALIGN_CENTER:
1529         case LyXTabular::ALIGN_BLOCK:
1530                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1531                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1532                                 tabular.setAlignment(
1533                                         tabular.getCellNumber(i, j),
1534                                         setAlign,
1535                                         flag);
1536                 break;
1537
1538         case LyXTabular::M_VALIGN_TOP:
1539         case LyXTabular::M_VALIGN_BOTTOM:
1540         case LyXTabular::M_VALIGN_MIDDLE:
1541                 flag = false;
1542         case LyXTabular::VALIGN_TOP:
1543         case LyXTabular::VALIGN_BOTTOM:
1544         case LyXTabular::VALIGN_MIDDLE:
1545                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1546                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1547                                 tabular.setVAlignment(
1548                                         tabular.getCellNumber(i, j),
1549                                         setVAlign, flag);
1550                 break;
1551
1552         case LyXTabular::MULTICOLUMN: {
1553                 if (sel_row_start != sel_row_end) {
1554 #ifdef WITH_WARNINGS
1555 #warning Need I say it ? This is horrible.
1556 #endif
1557                         Alert::error(_("Error setting multicolumn"),
1558                                    _("You cannot set multicolumn vertically."));
1559                         return;
1560                 }
1561                 if (!cur.selection()) {
1562                         // just multicol for one single cell
1563                         // check whether we are completely in a multicol
1564                         if (tabular.isMultiColumn(cur.idx()))
1565                                 tabular.unsetMultiColumn(cur.idx());
1566                         else
1567                                 tabular.setMultiColumn(bv.buffer(), cur.idx(), 1);
1568                         break;
1569                 }
1570                 // we have a selection so this means we just add all this
1571                 // cells to form a multicolumn cell
1572                 idx_type const s_start = cur.selBegin().idx();
1573                 idx_type const s_end = cur.selEnd().idx();
1574                 tabular.setMultiColumn(bv.buffer(), s_start, s_end - s_start + 1);
1575                 cur.idx() = s_start;
1576                 cur.pit() = 0;
1577                 cur.pos() = 0;
1578                 cur.selection() = false;
1579                 break;
1580         }
1581
1582         case LyXTabular::SET_ALL_LINES:
1583                 setLines = true;
1584         case LyXTabular::UNSET_ALL_LINES:
1585                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1586                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1587                                 tabular.setAllLines(
1588                                         tabular.getCellNumber(i,j), setLines);
1589                 break;
1590
1591         case LyXTabular::SET_LONGTABULAR:
1592                 tabular.setLongTabular(true);
1593                 break;
1594
1595         case LyXTabular::UNSET_LONGTABULAR:
1596                 tabular.setLongTabular(false);
1597                 break;
1598
1599         case LyXTabular::SET_ROTATE_TABULAR:
1600                 tabular.setRotateTabular(true);
1601                 break;
1602
1603         case LyXTabular::UNSET_ROTATE_TABULAR:
1604                 tabular.setRotateTabular(false);
1605                 break;
1606
1607         case LyXTabular::SET_ROTATE_CELL:
1608                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1609                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1610                                 tabular.setRotateCell(
1611                                         tabular.getCellNumber(i, j), true);
1612                 break;
1613
1614         case LyXTabular::UNSET_ROTATE_CELL:
1615                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1616                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1617                                 tabular.setRotateCell(
1618                                         tabular.getCellNumber(i, j), false);
1619                 break;
1620
1621         case LyXTabular::SET_USEBOX: {
1622                 LyXTabular::BoxType val = LyXTabular::BoxType(convert<int>(value));
1623                 if (val == tabular.getUsebox(cur.idx()))
1624                         val = LyXTabular::BOX_NONE;
1625                 for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1626                         for (col_type j = sel_col_start; j <= sel_col_end; ++j)
1627                                 tabular.setUsebox(tabular.getCellNumber(i, j), val);
1628                 break;
1629         }
1630
1631         case LyXTabular::UNSET_LTFIRSTHEAD:
1632                 flag = false;
1633         case LyXTabular::SET_LTFIRSTHEAD:
1634                 tabular.getRowOfLTFirstHead(row, ltt);
1635                 checkLongtableSpecial(ltt, value, flag);
1636                 tabular.setLTHead(row, flag, ltt, true);
1637                 break;
1638
1639         case LyXTabular::UNSET_LTHEAD:
1640                 flag = false;
1641         case LyXTabular::SET_LTHEAD:
1642                 tabular.getRowOfLTHead(row, ltt);
1643                 checkLongtableSpecial(ltt, value, flag);
1644                 tabular.setLTHead(row, flag, ltt, false);
1645                 break;
1646
1647         case LyXTabular::UNSET_LTFOOT:
1648                 flag = false;
1649         case LyXTabular::SET_LTFOOT:
1650                 tabular.getRowOfLTFoot(row, ltt);
1651                 checkLongtableSpecial(ltt, value, flag);
1652                 tabular.setLTFoot(row, flag, ltt, false);
1653                 break;
1654
1655         case LyXTabular::UNSET_LTLASTFOOT:
1656                 flag = false;
1657         case LyXTabular::SET_LTLASTFOOT:
1658                 tabular.getRowOfLTLastFoot(row, ltt);
1659                 checkLongtableSpecial(ltt, value, flag);
1660                 tabular.setLTFoot(row, flag, ltt, true);
1661                 break;
1662
1663         case LyXTabular::SET_LTNEWPAGE:
1664                 tabular.setLTNewPage(row, !tabular.getLTNewPage(row));
1665                 break;
1666
1667         case LyXTabular::SET_BOOKTABS:
1668                 tabular.setBookTabs(true);
1669                 break;
1670
1671         case LyXTabular::UNSET_BOOKTABS:
1672                 tabular.setBookTabs(false);
1673                 break;
1674
1675         case LyXTabular::SET_TOP_SPACE: {
1676                 LyXLength len;
1677                 if (value == "default")
1678                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1679                                 tabular.row_info[i].top_space_default = true;
1680                 else if (isValidLength(value, &len))
1681                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1682                                 tabular.row_info[i].top_space_default = false;
1683                                 tabular.row_info[i].top_space = len;
1684                         }
1685                 else
1686                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1687                                 tabular.row_info[i].top_space_default = false;
1688                                 tabular.row_info[i].top_space = len;
1689                         }
1690                 break;
1691         }
1692
1693         case LyXTabular::SET_BOTTOM_SPACE: {
1694                 LyXLength len;
1695                 if (value == "default")
1696                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1697                                 tabular.row_info[i].bottom_space_default = true;
1698                 else if (isValidLength(value, &len))
1699                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1700                                 tabular.row_info[i].bottom_space_default = false;
1701                                 tabular.row_info[i].bottom_space = len;
1702                         }
1703                 else
1704                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1705                                 tabular.row_info[i].bottom_space_default = false;
1706                                 tabular.row_info[i].bottom_space = len;
1707                         }
1708                 break;
1709         }
1710
1711         case LyXTabular::SET_INTERLINE_SPACE: {
1712                 LyXLength len;
1713                 if (value == "default")
1714                         for (row_type i = sel_row_start; i <= sel_row_end; ++i)
1715                                 tabular.row_info[i].interline_space_default = true;
1716                 else if (isValidLength(value, &len))
1717                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1718                                 tabular.row_info[i].interline_space_default = false;
1719                                 tabular.row_info[i].interline_space = len;
1720                         }
1721                 else
1722                         for (row_type i = sel_row_start; i <= sel_row_end; ++i) {
1723                                 tabular.row_info[i].interline_space_default = false;
1724                                 tabular.row_info[i].interline_space = len;
1725                         }
1726                 break;
1727         }
1728
1729         // dummy stuff just to avoid warnings
1730         case LyXTabular::LAST_ACTION:
1731                 break;
1732         }
1733
1734         InsetTabularMailer(*this).updateDialog(&bv);
1735 }
1736
1737
1738 bool InsetTabular::showInsetDialog(BufferView * bv) const
1739 {
1740         InsetTabularMailer(*this).showDialog(bv);
1741         return true;
1742 }
1743
1744
1745 void InsetTabular::openLayoutDialog(BufferView * bv) const
1746 {
1747         InsetTabularMailer(*this).showDialog(bv);
1748 }
1749
1750
1751 bool InsetTabular::copySelection(LCursor & cur)
1752 {
1753         if (!cur.selection())
1754                 return false;
1755
1756         row_type rs, re;
1757         col_type cs, ce;
1758         getSelection(cur, rs, re, cs, ce);
1759
1760         paste_tabular.reset(new LyXTabular(tabular));
1761
1762         for (row_type i = 0; i < rs; ++i)
1763                 paste_tabular->deleteRow(0);
1764
1765         row_type const rows = re - rs + 1;
1766         while (paste_tabular->rows() > rows)
1767                 paste_tabular->deleteRow(rows);
1768
1769         paste_tabular->setTopLine(0, true, true);
1770         paste_tabular->setBottomLine(paste_tabular->getFirstCellInRow(rows - 1),
1771                                      true, true);
1772
1773         for (col_type i = 0; i < cs; ++i)
1774                 paste_tabular->deleteColumn(0);
1775
1776         col_type const columns = ce - cs + 1;
1777         while (paste_tabular->columns() > columns)
1778                 paste_tabular->deleteColumn(columns);
1779
1780         paste_tabular->setLeftLine(0, true, true);
1781         paste_tabular->setRightLine(paste_tabular->getLastCellInRow(0),
1782                                     true, true);
1783
1784         ostringstream os;
1785         OutputParams const runparams;
1786         paste_tabular->plaintext(cur.buffer(), os, runparams, 0, true, '\t');
1787         cur.bv().owner()->gui().clipboard().put(os.str());
1788         // mark tabular stack dirty
1789         // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
1790         // when we (hopefully) have a one-for-all paste mechanism.
1791         lyx::cap::dirtyTabularStack(true);
1792
1793         return true;
1794 }
1795
1796
1797 bool InsetTabular::pasteSelection(LCursor & cur)
1798 {
1799         if (!paste_tabular)
1800                 return false;
1801         col_type const actcol = tabular.column_of_cell(cur.idx());
1802         row_type const actrow = tabular.row_of_cell(cur.idx());
1803         for (row_type r1 = 0, r2 = actrow;
1804              r1 < paste_tabular->rows() && r2 < tabular.rows();
1805              ++r1, ++r2) {
1806                 for (col_type c1 = 0, c2 = actcol;
1807                     c1 < paste_tabular->columns() && c2 < tabular.columns();
1808                     ++c1, ++c2) {
1809                         if (paste_tabular->isPartOfMultiColumn(r1, c1) &&
1810                             tabular.isPartOfMultiColumn(r2, c2))
1811                                 continue;
1812                         if (paste_tabular->isPartOfMultiColumn(r1, c1)) {
1813                                 --c2;
1814                                 continue;
1815                         }
1816                         if (tabular.isPartOfMultiColumn(r2, c2)) {
1817                                 --c1;
1818                                 continue;
1819                         }
1820                         shared_ptr<InsetText> inset(
1821                                 new InsetText(*paste_tabular->getCellInset(r1, c1)));
1822                         tabular.setCellInset(r2, c2, inset);
1823                         inset->markNew();
1824                         cur.pos() = 0;
1825                 }
1826         }
1827         return true;
1828 }
1829
1830
1831 void InsetTabular::cutSelection(LCursor & cur)
1832 {
1833         if (!cur.selection())
1834                 return;
1835
1836         row_type rs, re;
1837         col_type cs, ce;
1838         getSelection(cur, rs, re, cs, ce);
1839         for (row_type i = rs; i <= re; ++i) {
1840                 for (col_type j = cs; j <= ce; ++j) {
1841                         shared_ptr<InsetText> t
1842                                 = cell(tabular.getCellNumber(i, j));
1843                         if (cur.buffer().params().tracking_changes)
1844                                 t->markErased(true);
1845                         else
1846                                 t->clear();
1847                 }
1848         }
1849
1850         // cursor position might be invalid now
1851         cur.pos() = cur.lastpos();
1852         cur.clearSelection();
1853 }
1854
1855
1856 bool InsetTabular::isRightToLeft(LCursor & cur) const
1857 {
1858         BOOST_ASSERT(cur.depth() > 1);
1859         Paragraph const & parentpar = cur[cur.depth() - 2].paragraph();
1860         LCursor::pos_type const parentpos = cur[cur.depth() - 2].pos();
1861         return parentpar.getFontSettings(cur.bv().buffer()->params(),
1862                                          parentpos).language()->rightToLeft();
1863 }
1864
1865
1866 void InsetTabular::getSelection(LCursor & cur,
1867         row_type & rs, row_type & re, col_type & cs, col_type & ce) const
1868 {
1869         CursorSlice const & beg = cur.selBegin();
1870         CursorSlice const & end = cur.selEnd();
1871         cs = tabular.column_of_cell(beg.idx());
1872         ce = tabular.column_of_cell(end.idx());
1873         if (cs > ce) {
1874                 ce = cs;
1875                 cs = tabular.column_of_cell(end.idx());
1876         } else {
1877                 ce = tabular.right_column_of_cell(end.idx());
1878         }
1879
1880         rs = tabular.row_of_cell(beg.idx());
1881         re = tabular.row_of_cell(end.idx());
1882         if (rs > re)
1883                 swap(rs, re);
1884 }
1885
1886
1887 LyXText * InsetTabular::getText(int idx) const
1888 {
1889         return size_t(idx) < nargs() ? cell(idx)->getText(0) : 0;
1890 }
1891
1892
1893 void InsetTabular::markErased(bool erased)
1894 {
1895         for (idx_type idx = 0; idx < nargs(); ++idx)
1896                 cell(idx)->markErased(erased);
1897 }
1898
1899
1900 bool InsetTabular::forceDefaultParagraphs(idx_type cell) const
1901 {
1902         return tabular.getPWidth(cell).zero();
1903 }
1904
1905
1906 bool InsetTabular::insertAsciiString(BufferView & bv, string const & buf,
1907                                      bool usePaste)
1908 {
1909         if (buf.length() <= 0)
1910                 return true;
1911
1912         col_type cols = 1;
1913         row_type rows = 1;
1914         col_type maxCols = 1;
1915         string::size_type const len = buf.length();
1916         string::size_type p = 0;
1917
1918         while (p < len && (p = buf.find_first_of("\t\n", p)) != string::npos) {
1919                 switch (buf[p]) {
1920                 case '\t':
1921                         ++cols;
1922                         break;
1923                 case '\n':
1924                         if (p + 1 < len)
1925                                 ++rows;
1926                         maxCols = max(cols, maxCols);
1927                         cols = 1;
1928                         break;
1929                 }
1930                 ++p;
1931         }
1932         maxCols = max(cols, maxCols);
1933         LyXTabular * loctab;
1934         idx_type cell = 0;
1935         col_type ocol = 0;
1936         row_type row = 0;
1937         if (usePaste) {
1938                 paste_tabular.reset(
1939                         new LyXTabular(bv.buffer()->params(), rows, maxCols));
1940                 loctab = paste_tabular.get();
1941                 cols = 0;
1942                 dirtyTabularStack(true);
1943         } else {
1944                 loctab = &tabular;
1945                 cell = bv.cursor().idx();
1946                 ocol = tabular.column_of_cell(cell);
1947                 row = tabular.row_of_cell(cell);
1948         }
1949
1950         string::size_type op = 0;
1951         idx_type const cells = loctab->getNumberOfCells();
1952         p = 0;
1953         cols = ocol;
1954         rows = loctab->rows();
1955         col_type const columns = loctab->columns();
1956
1957         while (cell < cells && p < len && row < rows &&
1958                (p = buf.find_first_of("\t\n", p)) != string::npos)
1959         {
1960                 if (p >= len)
1961                         break;
1962                 switch (buf[p]) {
1963                 case '\t':
1964                         // we can only set this if we are not too far right
1965                         if (cols < columns) {
1966                                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
1967                                 inset->setViewCache(&bv);
1968                                 Paragraph & par = inset->text_.getPar(0);
1969                                 LyXFont const font = inset->text_.getFont(par, 0);
1970                                 inset->setText(buf.substr(op, p - op), font);
1971                                 ++cols;
1972                                 ++cell;
1973                         }
1974                         break;
1975                 case '\n':
1976                         // we can only set this if we are not too far right
1977                         if (cols < columns) {
1978                                 shared_ptr<InsetText> inset = tabular.getCellInset(cell);
1979                                 inset->setViewCache(&bv);
1980                                 Paragraph & par = inset->text_.getPar(0);
1981                                 LyXFont const font = inset->text_.getFont(par, 0);
1982                                 inset->setText(buf.substr(op, p - op), font);
1983                         }
1984                         cols = ocol;
1985                         ++row;
1986                         if (row < rows)
1987                                 cell = loctab->getCellNumber(row, cols);
1988                         break;
1989                 }
1990                 ++p;
1991                 op = p;
1992         }
1993         // check for the last cell if there is no trailing '\n'
1994         if (cell < cells && op < len) {
1995                 shared_ptr<InsetText> inset = loctab->getCellInset(cell);
1996                 inset->setViewCache(&bv);
1997                 Paragraph & par = inset->text_.getPar(0);
1998                 LyXFont const font = inset->text_.getFont(par, 0);
1999                 inset->setText(buf.substr(op, len - op), font);
2000         }
2001         return true;
2002 }
2003
2004
2005 void InsetTabular::addPreview(PreviewLoader & loader) const
2006 {
2007         row_type const rows = tabular.rows();
2008         col_type const columns = tabular.columns();
2009         for (row_type i = 0; i < rows; ++i) {
2010                 for (col_type j = 0; j < columns; ++j)
2011                         tabular.getCellInset(i, j)->addPreview(loader);
2012         }
2013 }
2014
2015
2016 bool InsetTabular::tablemode(LCursor & cur) const
2017 {
2018         return cur.selection() && cur.selBegin().idx() != cur.selEnd().idx();
2019 }
2020
2021
2022
2023
2024
2025 string const InsetTabularMailer::name_("tabular");
2026
2027 InsetTabularMailer::InsetTabularMailer(InsetTabular const & inset)
2028         : inset_(const_cast<InsetTabular &>(inset))
2029 {}
2030
2031
2032 string const InsetTabularMailer::inset2string(Buffer const &) const
2033 {
2034         return params2string(inset_);
2035 }
2036
2037
2038 void InsetTabularMailer::string2params(string const & in, InsetTabular & inset)
2039 {
2040         istringstream data(in);
2041         LyXLex lex(0,0);
2042         lex.setStream(data);
2043
2044         if (in.empty())
2045                 return;
2046
2047         string token;
2048         lex >> token;
2049         if (!lex || token != name_)
2050                 return print_mailer_error("InsetTabularMailer", in, 1,
2051                                           name_);
2052
2053         // This is part of the inset proper that is usually swallowed
2054         // by Buffer::readInset
2055         lex >> token;
2056         if (!lex || token != "Tabular")
2057                 return print_mailer_error("InsetTabularMailer", in, 2,
2058                                           "Tabular");
2059
2060         Buffer const & buffer = inset.buffer();
2061         inset.read(buffer, lex);
2062 }
2063
2064
2065 string const InsetTabularMailer::params2string(InsetTabular const & inset)
2066 {
2067         ostringstream data;
2068         data << name_ << ' ';
2069         inset.write(inset.buffer(), data);
2070         data << "\\end_inset\n";
2071         return data.str();
2072 }